Zac Efron
Role: Troy Bolton
Vanessa Hudgens
Role: Gabriella Montez
Ashley Tisdale
Role: Sharpay Evans
Lucas Grabeel
Role: Ryan Evans
Corbin Bleu
Role: Chad Danforth
Monique Coleman
Role: Taylor McKessie
Bart Johnson
Role: Coach Jack Bolton
Alyson Reed
Role: Ms. Darbus
Chris Warren
Role: Zeke Baylor
Olesya Rulin
Role: Kelsi Nielsen
Joey Miyashima
Role: Principal Dave Matsui
Ryan Templeman
Role: Skater Dude #2
Irene Santiago
Role: Chem Teacher
Leslie Wing
Role: Lucille Bolton
Joyce Cohen
Role: Ms. Falstaff
Anne Kathryn Parma
Role: Susan
Charles Klapow
Role: Basketball Player Dancer
Brad Tobler
Role: Basketball Player Dancer
Allison Holker
Role: Cheerleader Dancer
Britt Stewart
Role: Cheerleader Dancer
Mollee Gray
Role: Brainiac Dancer
Michelle Parker
Role: Braniac Dancer
Thayne Jasperson
Role: Brainiac Dancer
Shawn Carter
Role: Skaterdude Dancer
Malinda Money
Role: Skaterdude Dancer
Dutch Whitlock
Role: Skater Dude #1
Ryne Sanborn
Role: Jason Cross
Socorro Herrera
Role: Lisa Montez
Kaycee Stroh
Role: Martha Cox
Sarah K. Aezer
Role: Girl #1
Amanda Garrett
Role: Girl #2
Sami Roe
Role: Weird Kid #1
Melissa Hildebrant
Role: Weird Kid #2
David Huff
Role: Basketball Player Dancer
Jared Murillo
Role: Basketball Player Dancer
Roger Malaga
Role: Basketball Player Dancer
Todd Michael Schwartzman
Role: Basketball Player Dancer
Da' Jon Lang
Role: Basketball Player Dancer
Tina Pituckul
Role: Cheerleader Dancer
Raquel Goodsell
Role: Cheerleader Dancer
Kelli Baker
Role: Cheerleader Dancer
Bayli Baker
Role: Cheerelader Dancer
Jessie Tan
Role: Cheerleader Dancer
Breanna Phillips
Role: Cheerleader Dancer
Skyler Holman
Role: Brainiac Dancer
Andrew Winston
Role: Brainiac Dancer
Afton Delgrosso
Role: Brainiac Dancer
Falisha Fehoko
Role: Brainiac Dancer
Eldon Johnson
Role: Skater Dude Dancer
Josh Murillo
Role: Skater Dude Dancer
Sabra Johnson
Role: Skater Dude Dancer
Drew Seeley
Role: Troy Bolton (singing voice) (uncredited)
Tisha Vaculin
Role: Cheerleader Dancer (uncredited)
Joseph Paul Branca
Role: Student (uncredited)
Joe Cappelletti
Role: Basketball Championship Announcer (uncredited)
Matthew Miles Carter
Role: Basketball Player Dancer (uncredited)
Kara Dupell
Role: Cheerleader Dancer (uncredited)
Jason Fullmer
Role: Student (uncredited)
Joe Jurisic
Role: Chapstick (uncredited)
Bryson Kuan
Role: Student (uncredited)
Camille Lynne Matthews
Role: Cafe Dancer (uncredited)
Chase Ramsey
Role: Jock (uncredited)
Stephen Rippey
Role: Referee (uncredited)
Carleton Bluford
Role: Basketball Player Dancer
